| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very difficult | 545 |
56.8%
|
| 2 | Somewhat difficult | 230 |
24%
|
| 3 | Not difficult at all | 180 |
18.8%
|
| 4 | (DK) | 4 |
0.4%
|
| 5 | (ref) | 0 |
0%
|
| Sysmiss | 41 |